using Luban.Job.Common.Defs;
using Luban.Job.Common.TypeVisitors;
using System;
using System.Collections.Generic;

namespace Luban.Job.Common.Types
{
    public class TArray : TType
    {
        public static TArray Create(bool isNullable, Dictionary<string, string> tags, TType elementType)
        {
            return new TArray(isNullable, tags, elementType);
        }

        public override TType ElementType { get; }

        public override string TypeName => "array";
        public int Dimension { get; } = 1;
        public TType FinalElementType { get; protected set; }

        private TArray(bool isNullable, Dictionary<string, string> tags, TType elementType) : base(isNullable, tags)
        {
            ElementType = elementType;
            if (ElementType.TypeName == "array")
            {
                Dimension = (ElementType as TArray).Dimension + 1;
                FinalElementType = (ElementType as TArray).FinalElementType;
            }
            else
            {
                FinalElementType = elementType;
            }
        }

        public override bool TryParseFrom(string s)
        {
            throw new NotSupportedException();
        }

        public override bool IsCollection => true;

        public override void PostCompile(DefFieldBase field)
        {
            base.PostCompile(field);

            foreach (var p in ElementType.Processors)
            {
                p.Compile(field);
            }

            if (ElementType is TBean e && !e.IsDynamic && e.Bean.HierarchyFields.Count == 0)
            {
                throw new Exception($"container element type:'{e.Bean.FullName}' can't be empty bean");
            }
            if (ElementType is TText)
            {
                throw new Exception($"bean:{field.HostType.FullName} field:{field.Name} container element type can't be text");
            }
        }

        public override void Apply<T>(ITypeActionVisitor<T> visitor, T x)
        {
            visitor.Accept(this, x);
        }

        public override void Apply<T1, T2>(ITypeActionVisitor<T1, T2> visitor, T1 x, T2 y)
        {
            visitor.Accept(this, x, y);
        }

        public override TR Apply<TR>(ITypeFuncVisitor<TR> visitor)
        {
            return visitor.Accept(this);
        }

        public override TR Apply<T, TR>(ITypeFuncVisitor<T, TR> visitor, T x)
        {
            return visitor.Accept(this, x);
        }

        public override TR Apply<T1, T2, TR>(ITypeFuncVisitor<T1, T2, TR> visitor, T1 x, T2 y)
        {
            return visitor.Accept(this, x, y);
        }

        public override TR Apply<T1, T2, T3, TR>(ITypeFuncVisitor<T1, T2, T3, TR> visitor, T1 x, T2 y, T3 z)
        {
            return visitor.Accept(this, x, y, z);
        }
    }
}
